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Thorea baiyunensis sp. nov. (Thoreales, Rhodophyta) and T. okadae, a new record from China

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Thorea baiyunensis sp. nov. (Thoreales, Rhodophyta) and T. okadae, a new record from China

by
Han, Jinfen; Nan, Fangru; Feng, Jia; Lv, Junping; Liu, Qi; Liu, Xudong; Xie, Shulian

Publication date
Usage
Attribution 4.0 InternationalCreative Commons Licenseby
Topics
COI-5P, freshwater Rhodophyta, new taxon, phylogeny, rbcL, Thorea
Publisher
Pensoft Publishers
Collection
biodiversity
Contributor
Pensoft Publishers
Language
English
Rights
https://biodiversitylibrary.org/permissions
Rights-holder
Copyright held by individual article author(s).
Volume
193
Item Size
19.3M
Abstract
The freshwater red algal order Thoreales has a triphasic life history, of which the “Chantransia” phase is a small filamentous sporophyte. The “Chantransia” stage is difficult to distinguish from species in the genus Audouinella by its morphological characteristics. In this study, five “Chantransia” isolates (GX41, GX81, GD224, GD225, GD228) were collected from Guangxi Zhuang Autonomous Region and Guangdong Province in China. Based on morphological data, all five isolates were similar to A. pygmaea, whereas sequence data from the large subunit of ribulose-1,5-bisphosphate carboxylase/oxygenase (rbcL) gene and the 5’ region of the mitochondrial cytochrome oxidase I gene (COI-5P) determined that these specimens represented the “Chantransia” stage of two species in the genus Thorea rather than Audouinella. Phylogenetic analyses of the concatenated genes supported the proposal of a new species, T. baiyunensis, and a new geographic record of T. okadae, a species previously described only in Japan. Therefore, combined with previous records, four species of this genus are now recognized in China, including T. hispida, T. violacea, T. baiyunensis and T. okadae.
Addeddate
2025-05-02 17:56:01
Bhl_virtual_titleid
210913
Bhl_virtual_volume
v.193 (2022)
Call number
10_3897_phytokeys_193_79667
Call-number
10_3897_phytokeys_193_79667
Foldoutcount
0
Genre
article
Identifier
thoreabaiyunens193hanj
Identifier-ark
ark:/13960/s25fkpnp805
Identifier-bib
10_3897_phytokeys_193_79667
Identifier-doi
10.3897/phytokeys.193.79667


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